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Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design

Krinke Andreas

Reihe: Rechnerunterstützte Verfahren

Band 474 2020

Treffer in den folgenden Teilen:

„… , Constraint-Driven DesignMethodology for Analog Integrated Circuits”. In: Proceedings of the Custom Integrated …” „… . “Design Databases”. In: EDA for IC Implementation, Circuit Design, andProcess Technology. Edited by L …” „… . Scheffer, L. Lavagno, andG. Martin.Volume 2. Electronic Design Automation for Integrated Circuits Handbook …”

Introduction S. 1-9

„… flow. 1.1 Design of Analog and Mixed-Signal Integrated Circuits ICs are an immensely important driver …” „… CIRCUITS System Specification Architectural Design Functional Design and Logic Design Circuit Design …” „… circuit design at the transistor level [Kah+11]. In contrast, the physical design of analog components in …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… Reihe 20 Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design PI TS TO PS …” „… Circuit Design Dipl.-Ing. Andreas Krinke von der Fakultät Elektrotechnik und Informationstechnik der …” „… Fortschritt-Berichte VDI Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design Dipl .-Ing …”

State of the Art S. 10-17

„… missing. 2.2 Design Databases Software tools for designing integrated circuits (summarized under the term …” „… et al. [zBex+15] used pattern matching to generate design constraints from a circuit or extracted …” „… (electrical) constraints that guarantee the intended functionality, • design-methodical constraints that …”

Research Objectives S. 18-20

„… to be considered during circuit and layout design. The goal of this work is to present a methodology …” „… CHAPTER 3 Research Objectives Every design process is characterized by the consideration of …” „… numerous constraints. They create dependencies between components and, therefore, slow down both design and …”

Implementation and Results S. 103-121

„… circuit and an operational amplifier, are connected in parallel. This design does not fulfill a meaningful …” „… applicability of our approach, we integrated both parts into the EDA design framework Cadence DF II. In this …” „… also the database that implements it should be as closely interlinked as possible with the design tools …”

Glossary S. 128-131

„… parasitics to the schematic in order to consider their effects during circuit design. Constraint context The …” „… layout in the early stages of the design. Global instance Specific instance of a cell in the circuit that …” „… Glossary Back-annotation Theprocess of adding information from later design steps tomore abstract …”

Constraint Propagation S. 41-90

„… declare each instance whose name starts with “ESD” as ESD protection circuit. This design parameter is …” „… drops that may affect the circuit’s function. We define the corresponding design parameter as …” „… design element e in the top cell. This equation states that a designparameterψbu that requires bottomup …”

Research Summary, Conclusions, and Outlook S. 122-127

„… tools. This builds a bridge from our abstract definition to everyday work in circuit design. Themain …” „… influence the set of relevant cells and, thereby, constraint propagation in circuit design. These …” „… . An example is chip-package co-design where the ICs and its package are designed simultaneously and …”

Adaptive Data Model for Efficient Constraint Propagation S. 91-102

„… related constraint functions that apply to the same group of design parameters, but of possibly different …” „… design elements. Design parameters are characterized by amathematical model that defines their …” „… design parameter is used by a constraint in the design, access to the corresponding properties of …”

Constraints and Constraint Types S. 21-40

„… Chapter 5. For a better understanding, however, we will first introduce the various aspects of a design …” „… hierarchy. 4.1 Design Hierarchy Most complex system designs consist of many components. Especially for IC …” „… design, these components have also been called module, cell, view, block, cellview, and other names [Bal …”

doi.org/10.51202/9783186474209

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Layout-Generatoren für den Analogentwurf in kleinen Technologieknoten

Hans Dieter Benjamin Prautsch

Reihe: Rechnerunterstützte Verfahren

Band 478 2022

Treffer in den folgenden Teilen:

Literaturverzeichnis S. 167-180

„… Designer-Oriented Integrated Framework for the Development of AMS Circuit Generators,“ 2013 IEEE/ACM Int. Conf. on …” „… . Scheible, Fundamentals of Layout Design for Electronic Circuits, Springer International Publishing, 2020 …” „… ] A. Krinke, „Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… – integrated circuits – IC design – generators – templates – design flow – placementDer Entwurf analoger …” „… kombinieren wird. XV Abstract The design of analog integrated circuits is a complex and extremely …” „… – Generatoren – Templates – Designflow – PlatzierungKeywords: Design automation – EDA – layout – analog …”

Einleitung S. 1-8

„… Mikrochip. Im Bereich digitaler integrierter Schaltungen (engl. integrated circuits, ICs) kam zur …” „… Werkzeugen für die analoge Entwurfsautomatisie-rung (engl. electronic design automation, EDA). Eine …” „… Domä-nen gleiche Methoden der Layout-Verifikation mittels DRC (design rule check) und LVS (layout versus …”

doi.org/10.51202/9783186478207

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SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

Daniel Marolt

Reihe: Rechnerunterstützte Verfahren

Band 475 2020

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Towards a Holistic Design Flow on Module Level S. 214-219

„… Design Function FRP Layout PCells EDPL PCDS graphical PCDS HIPE GQL Development Framework Circuit PCells …” „… of circuit PCells which is far from the mentality of circuit design experts accustomed to visually …” „… domain and thus address the step of schematic design. This step is about taking a functional circuit …”

Summary and Outlook S. 220-224

„… presents a new methodology for layout automation in the design of analog integrated circuits, referred to …” „… a holistic IC design flow on module level, from the functional circuit specification across the …” „… as Self-organized Wiring and Arrangement of Responsive Modules (SWARM). While digital IC design has …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… Circuits – Analog Layout – Floorplanning – Placement – Routing – Constraints – Electronic Design …” „… decades of electronic design automation, most layouts for analog integrated circuits are still …” „… . Unfortunately, in contrast to the digital domain, the circuit design and especially the layout creation of …”

Implementation and Results S. 166-213

„… PCells to automate the analog basic circuits that constitute the design as functional units, it …” „… modules’ master PCells) should be no problem as long as the circuit topology and the design constraints …” „… design productivity. If only one circuit class is targeted, the effort is –according to the experiences …”

References S. 231-250

„… / Vinko Marolt, “SWARM: A Multi- Agent System for Layout Automation in Analog Integrated Circuit Design …” „… Routing of Macro/Custom Cell Integrated Circuits Using Simulated Annealing”, Proc. of 25th Design …” „… Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 3, no. 1, pp. 87–100, Jan. 1984 …”

Clarification of the Task S. 1-3

„… original dissertation [1] explicated that the problem of analog layout is a severe bottleneck in the design …” „… flow of integrated circuits because automation attempts have persistently failed to satisfy the high …” „… industrial environments, analog layout design is still done in a largely manual fashion today and heavily …”

The Methodology: Self-organized Wiring and Arrangement of Responsive Modules S. 29-165

„… t ioning Module* Transistor Module Level 2 Module Level 1 Device Level Device Level DesignModule …” „… wiring denominate the tasks of placement and routing.1 SWARM is meant to be used by layout designers for …” „… consideration of design constraints. 3.1 Overview of the SWARM Methodology As will be outlined in Section 3.1.1 …”

Vocabulary S. 225-230

„… Vocabulary – Symbols Symbols α angle in the orientation of a design component (counterclockwise) (p. 46) a …” „… design component (p. 54) ∆ uppercase delta (absolute difference) (p. 79) δ lowercase delta (relative …” „… (introversive) behavior of a procedural generator [1] G geometrical shape in the layout design (p. 60) G set of …”

An Interdisciplinary Approach – Preliminary Considerations S. 4-28

„… thesis. First of all, Section 2.1 articulates the basic idea of tackling the analog layout design problem …” „… by distributing the design tasks across autonomously interacting, parameterized layout components …” „… adaptation of these topics to the analog layout design problem, thus directly segueing into the description …”

doi.org/10.51202/9783186475206

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Suppressing Electromagnetic Interference in Switching Converters by Chaotic Duty Modulation

Yuhong Song

Reihe: Informatik/ Kommunikation

Band 850 2017

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References S. 90-100

„… circuit chaotic signal spectrum distribution characteristics and its application in the circuit design …” „… . Elwakil and M. Kennedy. Chua’s circuit decomposition: a systematic design approach for chaotic oscillators …” „… Inductive Powering for Biomedical Implants Analog Circuits and Signal Processing, pages 83–117, 2009. [2] A …”

Realizing Chaotic Duty Modulation S. 44-56

„… applications because its varying frequency affects the circuit design and the power component selection. The …” „… modulation was analyzed on spread spectrum used for suppressing EMI, and the implementation circuit for DC-DC …” „… PC’s power supply ATX2.0. is adopted to be the test bed. ATX2.0 has a typical integrated circuit (IC …”

Introduction S. 1-13

„… , completes the transformation of the electrical energy in a circuit by controlling switching actions of …” „… transistors to obtain a stable output. Hence, the technology of switching converters involves the circuit …” „… converters. A PWM module is composed of discrete components or an integrated circuit (IC) with several …”

Effect of Central Frequency on EMI Reduction S. 30-43

„… chaotic signal. Based on Chua’s circuit, the simulation and the experimental results indicate that the …” „… . 4.2.1 Chaotic Duty Modulation As shown in Figure 2.5, the circuit is demonstrated for the chaotic duty …” „… Configuration for Central Frequency Chaotic analogue signal generator usually applies Chua’s circuit and its …”

The Remaining Useful Life under Chaotic Modulation S. 72-82

„… select the power switch and design the circuit. 7.4 Failure Influence of Chaotic Modulation For the …” „… to the circuit topology, component model, variable parameter and operating condition. However …” „… , respectively. The capacitor failure probably occurs at open-circuit, short-circuit, the capacity decrease and …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… , which results in the complexity of system design. Chaotic modulation has been developed to suppress EMI …” „… Circuitry Design for Chaotic Modulation 14 2.1 Introduction …” „… Principle of Spectrum Spreading . . . . . . . . . . . . . . . . . . . . . . . 14 2.2.2 Circuitry Design …”

Circuitry Design for Chaotic Modulation S. 14-22

„… 2 Circuitry Design for Chaotic Modulation 2.1 Introduction By normal PWM control, switching …” „… the implementation circuits for chaotic frequency modulation and chaotic duty modulation, respectively …” „… , which results in EMI suppression. 15 2 Circuitry Design for Chaotic Modulation 2.2.2 Circuitry Design …”

System Stability under Chaotic Duty Modulation S. 57-71

„… the state space model (SSM) [51] and the circuit average model (CAM) [52]. Hong Li applied SSM to …” „… , such as conducting resistors of transistors and diodes, the equivalent circuit model is of high …” „… ) Impose the disturbance on ALSM and construct the direct current model (DCM) and the small signal circuit …”

doi.org/10.51202/9783186850102

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Erhöhung der Elektromigrationsrobustheit in der Verdrahtung digitaler Schaltungen

Steve Bigalke

Reihe: Rechnerunterstützte Verfahren

Band 472 2020

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Literatur S. 147-164

„… electromigration-aware integrated circuit design”. In: Proc. of the 2018 Int. Conf. on Computer Aided Design (ICCAD). Nov …” „… : IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems 27.5 (Mai 2008), S. 844–857 …” „… Design of Integrated Circuits and Systems 37.7 (Juli 2018), S. 1317–1330. doi: 10.1109/TCAD.2017.2666723 …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… herzlichst bei allen Mitarbeitern des Instituts für Feinwerktechnik und Elektronik-Design (IFTE) und des …” „… MTTF Mittlere Lebensdauer PDK Prozess-Design-Kit SM Stressmigration TM Thermomigration IX …” „… ([IRDS], [ITRS] u.a.) mutually predict that the reliability of future integrated circuits (ICs) will be …”

EM-Berücksichtigung im Layoutentwurf S. 8-38

„… die Charakterisierung der Standardzelle im Prozess-Design-Kit (engl. process design kit, PDK) in …” „… (engl. simulation program with integrated circuit emphasis, SPICE) abgeschätzt werden. Zur Bestimmung …” „… circuit, IC) gewährleistet werden kann. Zusätzlich existieren jedoch noch untergeordnete Ziele, wie die …”

EM-Modellierung von digitalen Verdrahtungsstrukturen S. 43-70

„… Verdrahtung digitaler, integrierter Schaltungen (engl. integrated circuits, IC). Die in Abschnitt 2.4 …” „… erst im letzten Schritt die Höhe der Elemente, mit Hilfe der Daten aus dem Prozess-Design-Kit (engl …” „… . process design kit, PDK), festlegt. Abbildung 4.3a enthält eine Verdrahtungsstruktur, an welcher der …”

doi.org/10.51202/9783186472205

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Dritev – Drivetrain For Vehicles 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2354 2019

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M. Elshaer, C. Chen Wide-Band-Gap (WBG) power semiconductor switches for automotive HV battery chargers – Opportunities & challenges S. II-1-II-14

„… DC-DC circuit Galvanic isolation is a key design constraint for the DC-DC power stage. High-frequency …” „… investigated. Switching frequency impact on semiconductor devices’ losses and magnetic components’ design is …” „… comparison between silicon superjunction (Si-SJ)based design and silicon carbide (SiC)-based design is …”

M. Özbek, J. Trommer, K. Akiyama, Y. Yamada Nidec next generation electric traction motor S. II-77-II-84

„… round wire windings. Furthermore, the permanent magnet rotor design results in a high efficiency and …” „… compact design. The motor is included in Nidec’s own e-Axle that is introduced to the market in May 2019 …” „… described in this chapter and highlights the permanent magnet rotor design and stator distributed winding …”

J. Grabowski, A. Colognese 48V to 12V Converters for xEV Applications – Managing the headaches of dual voltage automotive architectures S. II-45-II-54

„… , this advantage comes with both increased complexity and cost. The sub-system designs used to support a …” „… voltage converter. The methods for overcoming the design challenges are highlighted in this paper and …” „… includes sub-system design details for maximizing cost and efficiency. This topic is of interest to those …”

B. Müller, C. Angrick, M. Fritz New concepts for electrical drive trains for high power density S. II-55-II-66

„… of aggregates are needed for the design implementation of these powertrains: Hybrid modules for …” „… that generate their power from speed instead of torque, enabling smaller designs and material savings …” „… even more true since – depending on the design – the drive’s electric and electronic components make …”

A. Harsch, G. Clausen, A. Rink Modular system 8G-DCT with all-wheel drive S. I-79-I-94

„… Transmission design and specifications The dual clutch transmission is designed in a classic and compact …” „… . The consequent modular design makes it possible to extend the transmission with regard to all-wheel …” „… the intelligent sandwich concept and the distinctive one-box design, the second generation of the …”

A. Moser, F. Brezger Efficiency improvements in transmissions using new latching technologies in clutch & hydraulic actuation systems S. I-427-I-446

„… multispeed transmissions. The design of DCTs may have a special meaning since they are interesting for not …” „… flow the hydraulic circuit already improves efficiency. In a hybrid, the transmission fluid pump could …” „… and right side), material, geometric design, surfaces and further influences. Typical friction …”

D. Schweigert, M. Mileti, B. Morhard, M. Sedlmair, M. Fromberger, M. Otto, T. Lohner, K. Stahl Innovative transmission concept for hyper-high-speed electromechanical powertrains S. I-541-I-554

„… . Especially for the fixed-speed sub-transmission, different gear designs (i.e. Reference, Low-Loss and …” „… design of the electromechanical powertrain. In addition, first simulative results of the efficiency and …” „… , could successfully demonstrate the advantages of such a design. Hence, in order to develop and further …”

H. Schäfer System impacts to the electrical drive by using SIC-power semiconductors S. II-15-II-28

„… inductance will also described as saturation of the iron within the magnetic circuit (see figure 8). The …” „… voltage of the inverter to a common mode voltage, on the other the design of a three phase electrical …” „… machine built up a common mode circuit, mainly consisting of distributed capacities and supplied from the …”

P. Fietkau, N. Lamparsky, M. Felbermaier, A. Fröhlcke, T. Conze Holistic design approach for electric drives S. I-163-I-178

„… , Thermal and Actuation DPSs, all temperatures are determined and the lubrication circuit is designed. The …” „… including support arms. Here, not only are already designed parts checked - design proposals are also …” „… simulate the gearbox oil circuit. This helps with designing the switching valves, measuring coolant and …”

P. Lück, K. Bennewitz, J. Tousen Volkswagen’s electric drivetrains of the new modular e-drive kit (MEB) S. I-515-I-530

„… ) The modular design of the PI is configured for high volume industrialization. From the power module …” „… delay of bus communication. The advantages of this design are more direct adaptation options in the …” „… through a coolant connecting hose into the outer cooling circuit of the vehicle (fig. 8). 2.2.5 …”

M. Scherpelz, J. Bernhardt, T. Weyh Simulation of load cycles for commercial vehicle drivelines based on statistical reasoning S. III-85-III-102

„… behave in comparison to my design cycle?" is a typical question that cannot be answered easily. Under …” „… to these new routes. A comparison with the original design cycle is possible and new service life …” „… to extrapolate loads to derive design targets and reference customers. This can be done with the …”

A. Kinigadner, T. Biermann Schaeffler eAxle family – future solutions for the electric drivetrain S. I-567-II-VIII

„… with intelligent design of the electric drive system, an optimum power density can be achieved …” „… configurations with coaxial or parallel axis transmission design allows a range of vehicle applications from …” „… transmission designs including an electric machine which can be implemented with a scalable output. Both …”

S. Kurokawa, M. Kunihisa, Y. Oyama Development of a new next-generation CVT for small cars S. I-385-I-396

„… valve is positioned in the hydraulic circuit between the control valve and the case (Fig. 10). These …” „… established by incorporating the shift design technologies accumulated for small and midsize cars, while …” „… designed for mini-vehicles In line with the future forecast for mini-vehicles, the new CVT was planned …”

doi.org/10.51202/9783181023549

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Methoden zur Analyse parasitärer elektrostatischer Effekte in mikroelektromechanischen Systemen

Axel Hald

Reihe: Rechnerunterstützte Verfahren

Band 473 2020

Treffer in den folgenden Teilen:

Literaturverzeichnis S. 145-154

„… Conference Mixed Design of Integrated Circuits and Systems - MIXDES 2013. Juni 2013, S. 17–22 (siehe S. 28 …” „… International Conference Mixed Design of Integrated Circuits and Systems - MIXDES 2012. Warsaw, Poland, Mai 2012 …” „… Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD …”

doi.org/10.51202/9783186473202

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Elektromigration und deren Berücksichtigung beim zukünftigen Layoutentwurf digitaler Schaltungen

Matthias Thiele

Reihe: Elektronik/Mikro- und Nanotechnik

Band 395 2017

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Literaturverzeichnis S. 134-150

„… Transactions on Computer-Aided Design of Integrated Circuits and Systems, 25 (6): pp. 1038–1046, 2006. DOI …” „… Computer-Aided Design of Integrated Circuits and Systems, 23 (1): pp. 80–90, January 2004. DOI: 10.1109/TCAD …” „… Design of Integrated Circuits and Systems, 31 (7): pp. 1050–1060, July 2012. DOI: 10.1109/TCAD …”

Titelei/Inhaltsverzeichnis S. I-X

„… meiner Tätigkeit am Institut für Feinwerktechnik und Elektronik-Design (IFTE) zunächst im …” „… Application Specific Integrated Circuit CMP Chemical Mechanical Polishing CNF Kohlenstoffnanofaser CNT …” „… high current densities in metal interconnects of integrated circuits. While previously only considered …”

doi.org/10.51202/9783186395092

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Suppressing Electromagnetic Interference in Switching-Mode Power Supplies by Chaotic Carrier Frequency Modulation

Junying Niu

Reihe: Informatik/ Kommunikation

Band 851 2017

Treffer in den folgenden Teilen:

Chaotic Carrier Frequency Modulation Module S. 17-33

„… Switching converter Figure. 2.1: The circuit design of CCFM scheme based on PWM IC 17 2 Chaotic Carrier …” „… products. To implement CCFM, the whole control circuit containing chaotic modulation circuit was designed …” „… ]. Most of the schemes adopt the same PWM IC, i.e. UC3825, and are designed in the same circuit structure …”

Conclusion S. 93-94

„… contributions of the dissertation are as follows: (1) With the advantages of low cost, low design complexity …” „… can be set by adjusting certain circuit parameters. Therefore, the EMI reduction effectiveness can be …” „… employed in all kinds of PWM IC to improve EMC of SMPS without modifying the original circuit of power …”

Introduction S. 1-16

„… shown in Fig.1.10, a module circuit is designed to implement CCFM on various products, for which the …” „… IC will be designed in chapter 5. Chaotic frequency oscillator will be designed with Chua’s circuit …” „… design of SMPS products. 1.2 EMI and EMC EMI [3] is a disturbance caused by an electromagnetic field …”

Digital Chaotic Frequency PWM IC S. 78-92

„… design application specific integrated circuit (ASIC). To realize chaotic modulation on the digital …” „… PWM period counter pre-assigned value Nc 6.3.5 Circuit Design of CDPWM Because xn ∈ (0, 1), xn should …” „… be further processed to get the integer Nc. A preassigned value processing circuit is designed as Fig …”

Analogue Chaotic Frequency PWM IC S. 64-77

„… 4 v1 vchaos Figure. 5.4: Amplifying circuit for setting the chaotic threshold voltage 68 5.3 Design …” „… chaotic frequency PWM IC will be designed, and then the design of the digital one will be discussed in the …” „… necessary to attach an auxiliary modulation circuit to the original product for implementing CCFM on SMPS …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… .. . . . . . . . . . . . . . . . . . . . . . . . . 83 6.3.5 Circuit Design of CDPWM …” „… Circuit – Spread Spectrum Due to the unpredictable and random-like features of chaotic signals, chaotic …” „… ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.3.2 Chua’s Circuit …”

References S. 95-106

„… References [1] R. Lenk. Practical Design of Power Supplies. IEEE Press, 2005. [2] M. R. Yazdani, H …” „… , I. Omura, Y. Sakiyama, M. Yamaguchi, K. Matsushita, and T. Ogura. Critical IGBT Design Regarding EMI …” „… . Wang, and R. Dizaji. Study on Spectral Analysis and Design for DC/DC Conversion Using Random Switching …”

Power Spectral Characteristics of CCFM-based Switching Converters S. 34-44

„… design and can be used to optimize the circuit parameters of the CCFM module. 34 3.1 Introduction (a) R …” „… circuit operates in various state. Secondly, by analyzing the power spectral characteristics of the …” „… of Switching Period In [18, 43, 70], the chaotic signal generated by Chua’s circuit was used to …”

Application of CCFM in LED Drivers S. 45-63

„… circuit board (PCB), which is only 2.5cm long and 3.5cm wide, is designed as Fig.4.2. As shown in Fig.4.3 …” „… Implementation of CCFMModule Figure. 4.2: Printed circuit board (PCB) diagram of the CCFM module Figure. 4.3: The …” „… Fig.4.1, where the inductor in Chua’s circuit is replaced by the circuit composed of C1, R1, R3, R4, R …”

doi.org/10.51202/9783186851109

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Dritev 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2420 2023

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A. Paone, J. Larbig, A. Rohm, T. Höche ZF TherMaS: Holistic Thermal Management for BEV S. 45-60

„… e-Compressor. (Fig. 1) VDI-Berichte Nr. 2420, 202346Classical designs keep the dual circuit layouts, but …” „… minimum. As already mentioned before, the refrigerant circuit is designed as a hermetically closed unit …” „… time. Starting with a standalone solution with a refrigerant circuit designed as a sub-component and …”

Y. Jin Smart eDrive – Autonomous cooling eDrive for small BEVs and P4 AWD S. 21-36

„… solution with its autonomous cooling design, the Smart eDrive, especially developed for this small BEVs …” „… cost from the water circuit will be used to realise the oil cooled motor and the active lubrication …” „… . The removal of the water circuit is a first level system cost optimization. The oil cooled motor and …”

B. Cebulski, S. Mühlbauer, D. Sailer, L. Schmieden, R. Wunderlich, O. Seidler, A. Stiegelmeyr About the benefits of permanent rotor temperature measurement S. 143-152

„… of design, material (pairings) and cooling concept. It is done with a reduction of the machine model …” „… considerable structural changes to the mechanical design necessary  No electronics at the rotor necessary, as …” „… within a period of three weeks. The circuit covers a length of Ø 47km. In the following graphic you can …”

J. Bonifacio, V. Warth, S. Scharr Optimizing sustainable high-performance e-drives S. 349-358

„… design, possible hardware measures in the inverter help handle the active short circuit case and the …” „… design of a high-performance oil-cooled PMSM-based e-drive system considering these requirements is …” „… . Motivation Weight and space reduction are permanent challenges in the design of electric axle drives in …”

C. Reumüller, M. Sedlmair, M. Hein, A. Damm Transformation from conventional to electric powertrains Challenges in testing mechatronic shifting systems S. 359-376

„… acting force on the sleeve is directly proportional to the change in inductance of the magnetic circuit …” „… reluctance force in the system is created by striving for a minimal air gap 𝑥 in the magnetic circuit …” „… . symbol unit description 𝐹 𝑁 force W 𝐽 work 𝑥 𝑚 air gap of the magnetic circuit 𝐼 𝐴 current L 𝐻 …”

L. Bayoux, K.-L. Kimmig, D. Reitz Has the potential in terms of weight, installation space, and function already been exhausted for hybrid transmissions? S. 205-220

„… advantages of this nested design are the high line density, the significant reduction in material usage of 10 …” „… development and will go into volume production in 2025. The very compact design comprising the electric motor …” „… . Fig. 3: Hybrid module designs: P2 high-voltage module with integrated torque converter (left); P1 …”

M. Gukelberger Magna’s Dedicated Hybrid Drive DHD Duo – a Platformbased two e-Machine System S. 197-204

„… covered by the DHD Duo platform Essentially, the DHD Duo design specifications contained the following …” „… both HEV and PHEV applications. The base architecture is a P1/P3 design with one fixed gear. The P1 …” „… basic design can be simplified or extended in several ways. Firstly, it is possible to dis-pense with …”

S. Yan, P. Piecha, N. Hetzel Virtual Generation of Load Profiles and Spectra for Designing Electrified Vehicles – The influence of software and driving scenarios on powertrain design S. 377-390

„… of software and driving scenarios on powertrain design Dr.-Ing. Steven Yan, Dr. techn. Pascal …” „… unterschiedliche Fahrstile und Verkehrsdichten bein-halten. VDI-Berichte Nr. 2420, 2023 377Abstract The design of …” „… motors as well as the size and design of the traction battery set the framework for the mechanical and …”

A. Kappes, S. Frei, P. Noone, Stephan Rinderknecht Development and Design of a Range Extended four-speed Two-Drive-Powertrain S. 253-280

„… Development and Design of a Range Extended four-speed Two-Drive-Powertrain Aaron Kappes, M.Sc …” „… realization, the underlying design philosophy, and the development methods used in this project. Motivation …” „… considered in the design of an ecolog-ical drive to improve efficiency by installing two smaller EMs instead …”

D. Schweigert, B. Morhard, F. Oberneder, L. Pointner-Gabriel, M. Otto, K. Stahl Speed4E: Simulative and Experimental Results on the Vibration Behavior of a High-Speed Planetary Gearbox S. 441-458

„… Mechanical Engineering, Gear Research Center (FZG), School of Engineering and Design, Technical University of …” „… Hochdrehzahl-Antriebsstrang entwickelt, hergestellt und getestet wurde. Das Design des Speed4E-Antriebsstrangs besitzt …” „… developed, manufactured, and tested. The high-speed design of the Speed4E drivetrain results in maximum …”

doi.org/10.51202/9783181024201

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International Conference on Gears 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

T. Inoue, D. Iba, N. Fujita, A. Nishikawa, M. Ishii, J. Hu, H. Shimasaki, N. Miura, A. Masuda, I. Moriwaki, J. Hongu Effect of Load Cycles on Return Loss and Resistance of Sensor and Antenna Circuits Printed on Plastic Gears S. 659-674

„… laser-sintered electric circuits), Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2017 …” „… ] designed a crack detection sensor. When a crack occurs at the tooth root of gears, the electrical circuit …” „… of the circuit part is 2 m. Fig. 4: Designed smart gear pattern and fabricated smart gear.3 …”

M. Werner, S. Graf, M. Oehler, O. Koch Investigation of the electrical behavior of a spur gear stage pair by means of impedance measurements S. 67-80

„… strategy of car manufacturers. Due to the associated change in powertrain design, especially for electric …” „… conditions and the constructive design of the electric motor [6 – 8]. Current research concentrates …” „… equivalent circuit diagrams, it is then possible to map the mechanical drive train as an electrical circuit …”

J. Hongu, S. Hattori, J. Kato, T. Koide Gear friction coefficient estimation using directional parameter under ATF lubricated condition S. 753-762

„… utilized in actual gear designs but is limited by the fixed roughness Rz = 4 µm. The O’Donoghue, Schoeder …” „… gear-testing machine, wherein the twist mechanism loads an initial torque into the circuit, and the …” „… bearinggearTTT T TT(1) where Ttotal is the total torque loss of the power circuit; Tin is the input torque in the …”

H. Mahe Model based NVH design: e-bike application S. 1229-1238

„… Model based NVH design: e-bike application Dr. Ing. Hervé Mahe, Valeo PTS, Amiens, FranceAbstract …” „… a given design, it is very difficult to modify the rotor inertia, it has been decided to cancel the …” „… reaction torque by putting stator in active short circuit mode. In ASC, the rotor is stopped preventing him …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… manufacture different profile shifts. Contradictory to the simplicity of manufacturing, the design of a …” „… of valid durability calculations according to a standard, like the ISO 6336 series, the design of …” „… able to calculate the reality, is therefore a necessity during the design of beveloid gears. To obtain …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… integration design and miniaturization of the EPS. Based on the proposed electromechanical coupling model, the …” „… in the design of helicopter transmission system.Boeing and Sikorsky discovered torsional problems in …” „… synchronous motor (PMSM). An equivalent circuit model of the PMSM is established in the dq axis using Park …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… tests, was equipped with a heatable lubricant circuit and high-pressure injection nozzle. In the current …” „… . Alternative materials or coatings and different surface machining procedures for new gear designs have been …” „… attached to a heatable oil-circuit is presented along with the test procedure for LOL tests. Supplementary …”

S. Sartori, L. Alari, N. Motta, D. Podda Helicopter Drive System Safety Dissertation S. 633-644

„… . As a direct consequence, in order also to ensure that design assumptions are valid throughout the …” „… whole service life, the emergency circumstances need to be considered as a mandatory design conditions …” „… to determinedly experiment with design changes that will lead to medium and long-term systems …”

E. Virtanen, M. Kanerva, G. Szanti Fatigue testing of large sized bevel gears S. 897-906

„… lubrication circuit, making the rig suitable also for testing and development of EAL lubricants. The test …” „… topics included the effect of surface quality, verification of ATA advanced tooth contact design concept …” „… , describes some technical struggles and iterations of test gear design and test rig operation. These …”

A. Drechsel, J. Pellkofer, K. Stahl Transferability of the scuffing load capacity of gear oils determined on spur gears to hypoid gears S. 881-896

„… , School of Engineering and Design, Garching, Germany 1 Zusammenfassung Die Fresstragfähigkeit ist ein …” „… Veröffentlichung bewertet. 2 Abstract The scuffing load carrying capacity is a decisive design criterion in the …” „… of a closed power circuit. On the hypoid test rig, the power circuit consists of two hypoid gears …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… lubricated gears For a dry and solid-lubricated gear box, other challenges arise in the design and subsequent …” „… operation. On the one hand, the design guidelines for gears, such as ISO 6336, are not valid for the …” „… research There are currently no calculation guidelines for the design of dry and solid-lubricated gearing …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… DesignThe VDI SOCIETY PRODUCT AND PROCESS DESIGN (VDI-GPP) and its technical divisions provide all sectors …” „… solutions GmbH, Berlin, Germany Planetary gears: DesignDesign and analysis of compound stepped planetary …” „… . Sardemann, S. Schumann, B. Schlecht, IMM - Institute of Machine Elements and Machine Design,IPF - Institute …”

doi.org/10.51202/9783181024225

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OPE Journal

Alle Ausgaben: OPE Journal

OPE Jahrgang 13 (2023) Heft 45 ISSN Online: 2366-8040

Treffer in den folgenden Teilen:

ECG with a Patch S. 23

„… (SiP) design, which was mounted directly on the flexible printed circuit board. Würth Elektronik …” „… Circuit Board Technology was involved in the design of the circuit boards and the produc-tion of the …” „… focusing on system and circuit development, assembly and connection technology as well as the integration …”

Collaboration on large area LED-on-foil S. 19

„… design latitudeThe combination allows for a wide design latitude when incorporating flexible LEDs into …” „… us to create a variety of designs and sizes to solve our customer’s needs,” said Ashok Sridhar, CEO …” „… and military applications featuring properties, such as enhanced circuit density, improved thermal …”

(Cost-)efficient production of wearables – from low volumes to upscaled manufacturing S. 10-11

„… cuts and printed circuits.ScalableproductiontechnologiesToday, rotary die-cutting is used for large …” „… and die-cuts (e.g. alignment to prints)• Design to be produced• Reduced waste of materials• Allowing …” „… on-the-fly design adaptations become pos-sible. Since many printed electronics applica-tions are in growing …”

doi.org/10.51202/2366-8040-2023-45

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LAND.TECHNIK AgEng 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2361 2019

Treffer in den folgenden Teilen:

X. Tian, A. Vacca, S. Fiorati, F. Pintore An Analysis of the Energy Consumption in the High-Pressure System of an Agricultural Tractor through Modeling and Experiment S. 9-18

„… agreement between simulation and experimental results is satisfactory for all the tests. design variables …” „… studying the details of the energy consumption in such hydraulic system. The reference hydraulic circuit is …” „… simulation results of the whole hydraulic circuit allow performing a break down analysis of all the power …”

D. Peitsmeyer Hydraulics in electrified machines – Electrification needs high efficiency S. 145-152

„… require linear drives with high force, robustness and compact design. The use of electromechanical drives …” „… drives in a closed circuit Electro-hydraulic linear drives in a closed circuit have a comparable …” „… Fig. 4: Pump losses comparison Controllability An innovative design principle with a high number …”

G. Bombarda, T. Maxeiner Remotely Controlled Electro-Hydraulics ready for the IoT S. 289-294

„… valve set at 20-25 bar. The new patented circuit design with variable boost pressure allows to reduce …” „… due to boost pressure reduction while traveling and working bsed on the new circuit design, which can …” „… the average boost pressure considerably. VDI-Berichte Nr. 2361, 2019292 Fig. 1: Patented circuit …”

M. Hammer, M. Steffan Modular Multi-Purpose Battery Storage System for complex compartments – New module design approach for maximzing benefits of work machines S. 391-400

„… of 5...10% or 15...20%, depending on the energy storage design, it must be designed according to the …” „… attractiveness of electric machines. Due to the module design of INVENOX GmbH, the modules can be designed …” „… Modular Multi-Purpose Battery Storage System for complex compartments New module design …”

R. Schildroth Design and Development of an Autonomous Mower for Agricultural Use S. 153-158

„… Design and Development of an Autonomous Mower for Agricultural Use Rhett Schildroth, Redshield …” „… run the Redshield Consulting autonomous vehicle control software. Certain mower designs currently …” „… on the market have a mechanical design that could be adapted for autonomous control. For example …”

V. Tsukor, S. Hinck, A. Ruckelshausen, W. Nietfeld, T. Mosler, H. Tesch, F. Lorenz, E. Najdenko, A. Moeller, D. Mentrup Automated mobile field laboratory for on-the-go soilnutrient analysis with the ISFET multi-sensor module S. 377-382

„… "soil2data" process. The process steps operate parallely. The design of the system is modular. Three …” „… with real-time Ethernet bus for controlling the components and communicating with the readout circuit …”

T. Herlitzius, H. Fichtl, A. Grosa, M. Henke, M. Hengst Feldschwarm – Modular and Scalable Tillage Systems with Shared Autonomy S. 409-420

„… technology will face, has profound implications on the future design and functionality of tractor …” „… : Modular concept of the autonomous, self-propelled Feldschwarm unit and its design similarities to a …” „… . Electrical system with 600 V DC intermediate circuit. Traction unit based on a modified tractor front axle …”

M. Sax, R. Latsch, T. Anken, V. Moser, P. Krummenacher Automated site-specific overseeding of grassland S. 165-228

„… are operated from the central controlling unit via an RS422 link. A PCB (Printed Circuit Board) has …” „… wide field of view necessitated a new algorithm design for the “LASER PILOT” function. Hereinafter the …” „… improving the process, design and functional parameters of that system [5]. For the test and optimization …”

doi.org/10.51202/9783181023617

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OPE Journal

Alle Ausgaben: OPE Journal

OPE Jahrgang 12 (2022) Heft 41 ISSN Online: 2366-8040

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Trustworthy electronics made in Germany S. 27

„… ). At the same time, the risk of intellectual property (IP) theft of circuit designs by third parties is …” „… integrated circuit (IC) manufacturing to non-European regions increases the vulnerability to the introduction …” „… visualised with the aid of various demonstrators. These will illustrate new design flows and methods, adapted …”

“Print anything on everything” S. 21-22

„… flexible circuits are now a standard design element in an electronics engineer's toolbox.I also think …” „… platform for traditional circuit boards that fits on your desk. We brought the V-One to market in 2015 as a …” „… make electronics design more accessible. Through user-friendly prod-ucts and services, we remove …”

doi.org/10.51202/2366-8040-2022-41

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Kunststoffe im Automobilbau 2016

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 4342 2016

Treffer in den folgenden Teilen:

J. J. Laux, L. Vanin, S. Grgac, G. Schalte Injection-Molded Carbon-Fiber Grille Opening Reinforcement – Development and production of the 2016 Ford Mustang Shelby GT350 GOR S. 95-106

„… complex design requirements (Fig. 6). 103 Fig. 6. The 6 different weld circuits required to weld the GT …” „… available in the initial design. The current part is designed around an existing vehicle architecture. The …” „… with detail “Everything we changed on the GT350 is purely functional-driven design, with the goal of …”

E. Glas, L. Greve, O. Steiln, J. Čopík, R. Flögel Berechnung von Kunststoffen im Crash bei Volkswagen – Anforderungen an sicherheitsrelevante Kunststoff-Bauteile S. 121-132

„… grown to a central development tool in automotive design but in main for the development of passive …” „… finite element simulation of the deformation, fracture, and short circuit initiation of cylindrical …”

doi.org/10.51202/9783182443421

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Ergebnisse (222)

Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design

Layout-Generatoren für den Analogentwurf in kleinen Technologieknoten

SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

Suppressing Electromagnetic Interference in Switching Converters by Chaotic Duty Modulation

Erhöhung der Elektromigrationsrobustheit in der Verdrahtung digitaler Schaltungen

Dritev – Drivetrain For Vehicles 2019

Methoden zur Analyse parasitärer elektrostatischer Effekte in mikroelektromechanischen Systemen

Elektromigration und deren Berücksichtigung beim zukünftigen Layoutentwurf digitaler Schaltungen

Suppressing Electromagnetic Interference in Switching-Mode Power Supplies by Chaotic Carrier Frequency Modulation

Dritev 2023

International Conference on Gears 2023

OPE Journal

LAND.TECHNIK AgEng 2019

OPE Journal

Kunststoffe im Automobilbau 2016